Backpack umbrella



FIG. 1 is a front elevated perspective view of a backpack umbrella,showing the new design;

FIG. 2 is the front view thereof;

FIG. 3 is the back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is the opposite side view thereof;

FIG. 6 is the top view thereof; and,

FIG. 7 is the bottom view thereof.

The broken lines showing supports are for the purposes of illustratingenvironment and form no part of the claimed design.

CLAIM The ornamental design for a backpack umbrella, as shown anddescribed.